Locking lunch box



FIG. 1 is a perspective view of a locking lunch box showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side elevational view with the right side being amirror image thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of a handle in FIGS. 2, 3, 4, and 5 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a locking lunch box, as shown and described.